MMC Benefits Handbook
Pay-related changes
If you make changes to your benefit elections, your payroll deductions may change.
Since you have a new family member, you may want to review your W-4 withholding allowances and make changes, if applicable.
You may also need to change your direct deposit information for your pay if you open a new bank account.
You may want to review your bank and financial institution information to see if you need to make a change.